$ErrorActionPreference = 'Stop'

function Invoke-Step {
  param(
    [Parameter(Mandatory = $true)][string]$Name,
    [Parameter(Mandatory = $true)][string]$Command,
    [Parameter(Mandatory = $true)][string[]]$Arguments
  )

  Write-Host ""
  Write-Host "==> $Name"
  & $Command @Arguments
  if ($LASTEXITCODE -ne 0) {
    throw "$Name failed with exit code $LASTEXITCODE"
  }
}

Invoke-Step 'Typecheck' 'npm.cmd' @('run', 'typecheck')
Invoke-Step 'Tests' 'npm.cmd' @('run', 'test:run')
Invoke-Step 'Lint' 'npm.cmd' @('run', 'lint')
Invoke-Step 'Build' 'npm.cmd' @('run', 'build')

Write-Host ""
Write-Host "==> Audit summary"
& npm.cmd audit --audit-level=moderate
if ($LASTEXITCODE -ne 0) {
  Write-Warning 'npm audit reported vulnerabilities. See the output above; verification gates still passed.'
}

Write-Host ""
Write-Host "Verification complete."